text: #ifndef __hash_h
  #define __hash_h
  /*
  #include "crypto_uint8.h"
  #include "crypto_uint32.h"
  #include "crypto_uint64.h"
  #include "crypto_hash.h"
  
  typedef crypto_uint8 uint8_t;
  typedef crypto_uint32 uint32_t;
  typedef crypto_uint64 uint64_t;
  */
  #include <stdint.h>
  
  #include "hash.h"
  
  /* some sizes (number of bytes) */
  #define ROWS 8
  #define LENGTHFIELDLEN ROWS
  #define COLS512 8
  
  #define SIZE512 (ROWS*COLS512)
  
  #define ROUNDS512 10
  #define HASH_BIT_LEN 256
  
  #define ROTL32(v, n) ((((v)<<(n))|((v)>>(32-(n))))&li_32(ffffffff))
  
  
  #define li_32(h) 0x##h##u
  #define EXT_BYTE(var,n) ((uint8_t)((uint32_t)(var) >> (8*n)))
  #define u32BIG(a)				\
    ((ROTL32(a,8) & li_32(00FF00FF)) |		\
     (ROTL32(a,24) & li_32(FF00FF00)))
  
  
  /* NIST API begin */
  typedef struct {
    uint32_t chaining[SIZE512/sizeof(uint32_t)];            /* actual state */
    uint32_t block_counter1,
    block_counter2;         /* message block counter(s) */
    BitSequence buffer[SIZE512];      /* data buffer */
    int buf_ptr;              /* data buffer pointer */
    int bits_in_last_byte;    /* no. of message bits in last byte of
  			       data buffer */
  } groestlHashState;
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /*void Init(hashState*);
  void Update(hashState*, const BitSequence*, DataLength);
  void Final(hashState*, BitSequence*); */
  void groestl(const BitSequence*, DataLength, BitSequence*);
  /* NIST API end   */
  
  #ifdef __cplusplus
  }
  #endif
  
  /*
  int crypto_hash(unsigned char *out,
  		const unsigned char *in,
  		unsigned long long len);
  */
  
  #endif /* __hash_h */
  